var stu = [{
	id:1,
	name:"terry",
	age:12,
	gender:"male"
},{
	id:4,
	name:"liza",
	age:14,
	gender:"female"
},{
	id:3,
	name:"larry",
	age:16,
	gender:"male"
},{
	id:2,
	name:"lili",
	age:11,
	gender:"female"
}]
//forEach()
stu.forEach(function(item){
	console.log(item)
})
//every
//var result = stu.every(function(item){
//var result = stu.some(function(item){
//var result = stu.filter(function(item){
var result = stu.map(function(item){
	return item.name
})
console.log(result)
